Re: dad campaigns to stop school drug testing

: >> > they have hair testing for that.
:
: >> I think for hair testing they need the folicle - so a strand of hair
: >> by itself doesn't work.
:
: >sounds likely -- i guess they'll have to settle for blood tests.
:
: Getting the follicle only gets recent use -- not much better than pee
tests
: or blood tests.
:
: The sinister part of hair tests is that some drug metabolites are captured
: in the hair shaft itself, and the longer since your last haircut, they
longer
: the history available.

I think they were referring to DNA.  You can only get DNA from the hair
follicle--at least that's what we were conjecturing on.  So if a company
insists on doing a drug test using your hair, and you allow them to yank out
a strand at the follicle, then you've just given them your DNA.
-- 
ColoradoSkiBum